Helmut Dederra

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Patents Grantslast 30 patents

Information Patent Grant
Cooling channel surface arrangement for a heat exchanger wall const...
- Patent number 4,078,604
- Issue date Mar 14, 1978
- Messerschmitt-Bolkow-Blohm GmbH
- Manfred Christl
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Rocket engine construction and connection for closed and opened flu...
- Patent number 4,055,044
- Issue date Oct 25, 1977
- Messerschmitt-Bolkow-Blohm GmbH
- Helmut Dederra
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS